Karale, R.; Chikkamallaiah, C.; Hegde, J.; Aswathanarayana, S.; Santhosh, L.; Bashetty, K.; Susheela, S. R.; Panchajanya, S. The Prevalence of Bilateral Three-Rooted Mandibular First Molar in Indian Population. Iran Endod J 2013, 8, 99-102.